<template>
  <div class="app">
    <el-upload
      class="avatar-uploader"
      :action="baseUrl+'/question/upload'"
      accept="image/*"
      name="file"
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :before-upload="beforeAvatarUpload"
      :on-remove="handleRemove"
      :on-preview="handlePreview"
      :class="{hide:hideUploadEdit,hide2:hideUploadEdit2}"
    >
      <div v-if="type == 'video'">
        <video v-if="value" :src="baseUrl+'/'+value" controls autoplay></video>
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </div>

      <div v-else>
        <img v-if="value" :src="baseUrl+'/'+value" class="avatar" />
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </div>
    </el-upload>
  </div>
</template>

<script>
export default {
  props: ["value", "type"],
  data() {
    return {
      baseUrl: process.env.VUE_APP_URL,
      removeimg: false,
      hideUploadEdit: false,
      hideUploadEdit2: false,
    };
  },
  methods: {
    handleAvatarSuccess(res) {
      this.$emit("input", res.data.url);
    },
    handleRemove(file, fileList) {
      console.log(file, fileList);
      this.removeimg = true;
    },
    handlePreview(file) {
      console.log(file);
    },
    beforeAvatarUpload(file) {
      if (this.type == "video") {
        const isMp4 = file.type === "video/mp4";
        const isLt8M = file.size / 1024 / 1024 < 8;

        if (!isMp4) {
          this.$message.error("上传头像图片只能是MP4格式!");
        }
        if (!isLt8M) {
          this.$message.error("上传头像图片大小不能超过 8MB!");
        }
        return isMp4 && isLt8M;
      } else {
        const isJPG =
          file.type === "image/jpeg" ||
          file.type === "image/png" ||
          file.type === "image/gif";
        const isLt8M = file.size / 1024 / 1024 < 8;

        if (!isJPG) {
          this.$message.error("上传头像图片只能是 JPG/PNG/GIF 格式!");
        }
        if (!isLt8M) {
          this.$message.error("上传头像图片大小不能超过 2MB!");
        }
        return isJPG && isLt8M;
      }
    },
  },
};
</script>

<style  lang='less'>
.app {
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409eff;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
}
</style>